Senior Manager, Cost & OpEx Planning

Opportunity ID 10167 Department Practice Management Location(s) New York State New York Function Finance Job Description As CohnReznick grows, so do our career opportunities. As one of the nation’s top professional services firms, CohnReznick creates rewarding careers in advisory, assurance, and tax with team members who value innovation and collaboration in everything they do! CohnReznick helps organizations optimize performance, manage risk, and maximize value through CohnReznick LLP (assurance services) and CohnReznick Advisory LLC (advisory and tax services). Together, the firm provides leaders with deep industry knowledge and relationships, solutions to address clients’ unique business goals and risks, and insight on how emerging market forces can drive opportunity. With offices nationwide, the firm serves organizations around the world as an independent member of Nexia. We currently have an exciting career opportunity for a Senior Manager, Cost & OpEx Planning to join our corporate Finance leadership team. WHY COHNREZNICK? At CohnReznick, we’re united by a common mission to create opportunity, value, and trust for our clients, our people, and our communities. Whether it’s working alongside your peers to solve a client challenge, or volunteering together at the local food bank, there are so many ways to find your “why” at the firm. We believe it’s important to balance work with everyday life – and make time for enjoyment and fun. We invest in a robust Total Rewards package that includes everything from generous PTO, a flexible work environment, expanded parental leave, extensive learning & development, and even paid time off for employees to volunteer. YOUR ROLE. Responsibilities include but not limited to: Build and own the OpEx plan and forecast, by function and by vendor, in the firm's planning model (Adaptive). Partner with the heads of the support functions (for example, IT, Facilities, and P&C) on budgets, forecasts, and monthly variances. Map vendor spend to the budget at the vendor level, and track contract terms, renewals, and savings opportunities. Analyze how support work is done across the firm, and provide the cost analysis behind a more scalable operating model for the support functions. Build a pipeline of cost initiatives with owners, timing, and expected savings; set a simple business-case standard for new spend; and track benefits realized against plan. Forecast the people cost of the support functions with P&C. Report cost KPIs, including OpEx as a percentage of revenue, to leadership, and contribute to the board pack. Work with Accounting on accruals and allocations so that the forecast ties to the close. YOUR EXPERIENCE. The successful candidate will have: 7 to 10 years in FP&A, cost management, or corporate finance, including at least 3 years owning a budget or cost area end to end, with a track record of delivering measurable savings. Experience analyzing vendor and accounts payable data from an ERP (SAP preferred), and working with Procurement on renewals. Experience at a professional services firm or a private equity-backed company preferred; investment banking or consulting experience a plus. Strong Excel modeling; experience with a planning tool such as Adaptive, Anaplan, or similar. Able to challenge senior budget owners with data while keeping the relationship intact, and to turn cost detail into a clear summary for leadership. Able to operate in ambiguity and build structure where it does not yet exist; discreet with confidential compensation and vendor information. Curious about how AI and automation can change finance and support work, and comfortable using AI tools in day-to-day analysis. Willing, and ideally eager, to be in person when it adds value, including team meetings in New York or Parsippany, NJ. Bachelor's degree in finance, accounting, economics, or a related field; CPA, CFA, or MBA a plus. In addition, please take a moment to revi…

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